# Logistic regression. Put the ideas together.

Bring the five mini lessons together in the complete learning loop. Train the model, inspect the probability surface, and compare before-and-after parameter updates.

Continue with the optional eight-step narrated extension walkthrough. One approval opens all six lessons and this extension.

Canonical page: https://21ifm.com/ml/logistic-regression

## Explore

- [Continue to extension learning](https://21ifm.com/ml/logistic-regression-extension)
- [View the whole logistic regression series](https://21ifm.com/ml)
- [Try a free foundation lesson with Zon](https://21ifm.com/basics/sine)